FreeRDP/uwac/libuwac/uwac-utils.h

57 lines
1.9 KiB
C

/*
* Copyright © 2014 David FORT <contact@hardening-consulting.com>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef UWAC_UTILS_H_
#define UWAC_UTILS_H_
#include <stdlib.h>
#define min(a, b) \
({ \
__typeof__(a) _a = (a); \
__typeof__(b) _b = (b); \
_a < _b ? _a : _b; \
})
#define container_of(ptr, type, member) \
({ \
__typeof__(((type*)0)->member)* __mptr = (ptr); \
(type*)((char*)__mptr - offsetof(type, member)); \
})
#define ARRAY_LENGTH(a) (sizeof(a) / sizeof(a)[0])
void* xmalloc(size_t s);
static inline void* zalloc(size_t size)
{
return calloc(1, size);
}
void* xzalloc(size_t s);
char* xstrdup(const char* s);
void* xrealloc(void* p, size_t s);
#endif /* UWAC_UTILS_H_ */